Drug and Street drug

Drug noun - A substance or preparation used to treat disease.

Street drug and drug are semantically related. In some cases you can replace phrase "Street drug" with "Drug", this terms are similar.

Nearby Word: druggy

Street drug noun - A drug that is taken for nonmedicinal reasons (usually for mind-altering effects); drug abuse can lead to physical and mental damage and (with some substances) dependence and addiction.

Drug and street drug are semantically related. You can use "Drug" instead a noun phrase "Street drug".